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siniylev [52]
3 years ago
6

Why is the line graph a curve instead of a straight line?

Biology
1 answer:
maks197457 [2]3 years ago
4 0

Answer:If it's important to display the exact values, then the straight lines do a much better job. But often you'll find that what matters is the trend and the precise measurements are secondary. ... A straight line suggests that the value between the two measurements increased linearly, while a curved line suggests otherwise.

Explanation- you better read all of that!

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Lactobacillus is the answer for this question
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3 years ago
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In this week's experiments, if you replaced glucose with the monosaccharide fructose, predict the results for fructose transport
lbvjy [14]

Answer: Fructose is transported by facilitated diffusion.

Explanation:

Glucose is a monosaccharide with the molecular formula C6H12O6.3 It is a hexose. It is a form of sugar that is found freely in fruits and in honey. Its energy yield is 3.75 Kcal/g under standard conditions.

Fructose is a type of carbohydrate found in vegetables, fruits, and honey. It is a monosaccharide with the same molecular formula as glucose, C6H12O6, but with a different structure, that is, it is an isomer of glucose. Its energetic power is the same as that of glucose, 4 kilocalories per gram, and it is a reducing carbohydrate.

Glucose is the main energy substance of a cell and for its entry  it requires a transport protein in the cell membrane, called transporter. The transport of glucose through the cell membrane is carried out by two families of membrane proteins:

  • Sodium-coupled glucose transporters (SGLT sodium-glucose-transporters), which involves the co-transport of Na+ by the SGLT-1 by maintaining the Na+ gradient thanks to the Na+/K+ pump
  • Glucose transport facilitation proteins (GLUT)

On the other hand,  fructose is absorbed by another type of transporter, called Glut-5, a protein that crosses the membrane 12 times. Finally, the passage of both glucose and fructose into the blood takes place through the Glut-2, a transporter with low affinity and high transport capacity.

If any Glut is considered within the context of a large family of proteins, it can be immediately noticed that they all possess common characteristics that in biochemical terms are called "molecular signature of glucose transporters" and that it is no more than a set of extremely conserved primary amino acidic sequences that determine secondary and tertiary structures (domains or motifs) that are responsible for the functional characteristics of the protein.

<u>Facilitated diffusion is a type of cellular transport where the presence of a carrier or transporter (integral protein, Glut is this example</u>)<u> is necessary for substances to cross the membrane.</u> It happens because the molecules are larger or insoluble in lipids and need to be transported with the help of membrane proteins. So, in the first step, fructose binds to the transport protein, and this changes shape, allowing the passage of this sugar. In this way, fructose concentrations inside the cell are always very low, and the external and internal concentration gradient favours diffusion.

Summarizing, fructose is transported by facilitated diffusion. So if we replaced glucose with fructose we would have seen no change in each conditions. And since fructose is transported by this type of mechanism, there is not a concentration gradient.

6 0
2 years ago
Why is it important for the body to remove waste through the skin? Check all that apply.
Dima020 [189]

Answer:

It helps the body stay cool; It helps maintain stability and health inside the body

8 0
3 years ago
A cat standing near a pond looking at the fish in water. Which of the following statement is correct?
salantis [7]

Answer:

The fish appears nearer to the cat than it really is

Explanation:

The situation above is related to the refraction of light. The cat will think that the fish is closer to him, however, it is actually at a<u> different depth</u> in its<em> actual position</em>. This is because of the refraction of light as it travels in two different mediums: <em>water and air.</em> The eyes and brains are<u> not capable of tracing the light rays' refraction,</u> thus, the cat's image of the fish is on a shallower depth. In reality, the light rays reflecting from the fish are actually being refracted on the water's surface.

8 0
2 years ago
Answer this one! try your best. I will give brainliest. :)
kirill [66]

Answer:

I believe the answer is B. External

Explanation:

https://pad let.com/jointhebrainslugarmy/ed156h7euhm06oi8

USE NO SPACES IN PAD LET.

JOIN THE BRAIN SLUG ARMY.

DON'T LET THE PENGUINS WIN!!!

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2 years ago
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